/*
 * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OSSL_CRYPTO_RISCV_ARCH_H
#define OSSL_CRYPTO_RISCV_ARCH_H

#include <ctype.h>
#include <stdint.h>

#define RISCV_DEFINE_CAP(NAME, INDEX, BIT_INDEX) +1
extern uint32_t OPENSSL_riscvcap_P[((
#include "riscv_arch.def"
                                        )
                                    + sizeof(uint32_t) - 1)
                                   / sizeof(uint32_t)];

#ifdef OPENSSL_RISCVCAP_IMPL
#    define RISCV_DEFINE_CAP(NAME, INDEX, BIT_INDEX) +1
uint32_t OPENSSL_riscvcap_P[((
#    include "riscv_arch.def"
                                 )
                             + sizeof(uint32_t) - 1)
                            / sizeof(uint32_t)];
#endif

#define RISCV_DEFINE_CAP(NAME, INDEX, BIT_INDEX)                                                   \
    static inline int RISCV_HAS_##NAME(void)                                                       \
    {                                                                                              \
        return (OPENSSL_riscvcap_P[INDEX] & (1 << BIT_INDEX)) != 0;                                \
    }
#include "riscv_arch.def"

struct RISCV_capability_s
{
    const char *name;
    size_t index;
    size_t bit_offset;
};

#define RISCV_DEFINE_CAP(NAME, INDEX, BIT_INDEX) +1
extern const struct RISCV_capability_s RISCV_capabilities[
#include "riscv_arch.def"
];

#ifdef OPENSSL_RISCVCAP_IMPL
#    define RISCV_DEFINE_CAP(NAME, INDEX, BIT_INDEX) { #    NAME, INDEX, BIT_INDEX },
const struct RISCV_capability_s RISCV_capabilities[] = {
#    include "riscv_arch.def"
};
#endif

#define RISCV_DEFINE_CAP(NAME, INDEX, BIT_INDEX) +1
static const size_t kRISCVNumCaps =
#include "riscv_arch.def"
    ;

#endif
